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CachedFileUpdaterTrigger 類別

  • 參考

定義

命名空間:
Windows.ApplicationModel.Background
編輯

表示啟動背景工作的觸發程式，以啟用快取檔案更新程式合約。

public ref class CachedFileUpdaterTrigger sealed
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class CachedFileUpdaterTrigger final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
class CachedFileUpdaterTrigger final
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class CachedFileUpdaterTrigger
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
public sealed class CachedFileUpdaterTrigger
function CachedFileUpdaterTrigger()
Public NotInheritable Class CachedFileUpdaterTrigger
繼承
Object Platform::Object IInspectable CachedFileUpdaterTrigger
屬性
ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute
實作
IBackgroundTrigger

Windows 需求

裝置系列
Windows 10 (已於 10.0.10240.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v1.0 引進)

備註

在手機尺寸上，應用程式無法在不顯示 UI 的情況下啟動。 這個類別可讓手機應用程式使用背景工作來更新快取的檔案。

建構函式

CachedFileUpdaterTrigger()

初始化 CachedFileUpdaterTrigger 類別的新實例。

適用於

另請參閱